2003 Audi A6 vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,792 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (276 HP @ 5500 RPM) has 50 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 82 kg more than 2007 Opel Vectra.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Opel Vectra (355 Nm @ 1800 RPM) has 45 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2007 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 226 HP | 276 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 310 Nm | 355 Nm |
| Torque RPM | 1700 RPM | 1800 RPM |
| Engine Bore Size | 81 mm | 89 mm |
| Engine Stroke Size | 86.4 mm | 74.8 mm |
| Engine Compression Ratio | 9.3:1 | 9.5:1 |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1580 kg |
| Vehicle Length | 4800 mm | 4620 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 11.6 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
